Walter de Burgh, 1st Earl of Ulster Anglo-Irish noble (c.1230–1271) (1230–1271) Parents Egidia de Lacy, Lady of Connacht Richard Mór de Burgh, 1st Baron of Connaught Children Egidia de Burgh Richard Óg de Burgh, 2nd Earl of Ulster Siblings William Óg de Burgh Margery de Burgh Matilda de Burgh Partners Isabel fitz John Aveline fitz John